[PATCH 5.4 114/123] netfilter: nft_tunnel: add missing attribute validation for tunnels

From: Greg Kroah-Hartman
Date: Tue Mar 17 2020 - 07:06:31 EST


From: Jakub Kicinski <kuba@xxxxxxxxxx>

commit 88a637719a1570705c02cacb3297af164b1714e7 upstream.

Add missing attribute validation for tunnel source and
destination ports to the netlink policy.

Fixes: af308b94a2a4 ("netfilter: nf_tables: add tunnel support")
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
net/netfilter/nft_tunnel.c | 2 ++
1 file changed, 2 insertions(+)

--- a/net/netfilter/nft_tunnel.c
+++ b/net/netfilter/nft_tunnel.c
@@ -339,6 +339,8 @@ static const struct nla_policy nft_tunne
[NFTA_TUNNEL_KEY_FLAGS] = { .type = NLA_U32, },
[NFTA_TUNNEL_KEY_TOS] = { .type = NLA_U8, },
[NFTA_TUNNEL_KEY_TTL] = { .type = NLA_U8, },
+ [NFTA_TUNNEL_KEY_SPORT] = { .type = NLA_U16, },
+ [NFTA_TUNNEL_KEY_DPORT] = { .type = NLA_U16, },
[NFTA_TUNNEL_KEY_OPTS] = { .type = NLA_NESTED, },
};